A resistance welding and wire cutting integrated machine for electric vehicle motor production

Abstract

The present invention relates to a resistance welding and wire cutting integrated machine for electric vehicle motor production, comprising a welding frame, a welding mechanism is arranged on the welding frame, the welding mechanism comprises a positive electrode welding assembly and a negative electrode welding assembly, an operating cabinet is arranged on one side of the welding frame, a blanking port is formed on the operating cabinet, the ends of the positive electrode welding assembly and the negative electrode welding assembly both extend out of the welding frame and are located directly above the blanking port, a cutting mechanism is also arranged at the end of the negative electrode welding assembly, the cutting mechanism comprises an adjustment assembly, a fixing frame and a pneumatic scissors, a fixing frame is installed on the adjustment assembly, a pneumatic scissors is installed on the fixing frame, and the blade of the pneumatic scissors is located on one side of the negative electrode welding head of the negative electrode welding assembly. The present invention adds a cutting mechanism outside the welding mechanism, and the operator completes the synchronous cutting of the welding surplus while welding the workpiece, which greatly improves the efficiency of the motor resistance welding, and at the same time, due to the setting of the adjustment assembly, the position of the pneumatic scissors can be adjusted by the adjustment assembly through multiple axes, which is suitable for cutting different motor sizes.

Description

Technical Field

[0001] The invention belongs to the technical field of electric vehicle production, and relates to electric vehicle resistance welding technology, in particular to a resistance welding and wire cutting integrated machine for electric vehicle motor production. Background Art

[0002] Resistance welding is a welding method that presses the workpiece to be welded between two electrodes and applies current, using the resistance heat effect generated by the current flowing through the contact surface of the workpiece and the adjacent area to heat it to a molten or plastic state, so that it forms a metal bond. When resistance welding of electric vehicles, each strand of cable is welded. After welding, the operator often needs to use scissors to cut off the excess cable. In this way, after welding a group, the workers need to trim them one by one, which greatly increases the labor force and reduces production efficiency.

[0003] No patent documents related to this application were found through the search. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a resistance welding and wire cutting integrated machine for electric vehicle motor production, which can simultaneously cut welding residues while welding workpieces, thereby greatly improving the efficiency of motor resistance welding.

[0005] The present invention solves the technical problem by adopting the following technical solutions:

[0006] A resistance welding and wire cutting integrated machine for electric vehicle motor production comprises a welding frame, a vertical box body is installed on the welding frame, a welding mechanism is vertically arranged on one side of the vertical box body, the welding mechanism comprises a positive electrode welding assembly and a negative electrode welding assembly, a limiting steel belt is arranged in the vertical box body, the positive electrode welding assembly and the negative electrode welding assembly are limitatively connected by the limiting steel belt, an operation cabinet is arranged on one side of the welding frame, a workbench is arranged on the operation cabinet, a blanking opening is formed on one side of the surface of the workbench, the ends of the positive electrode welding assembly and the negative electrode welding assembly both extend out of the welding frame and are located directly above the blanking opening, a cutting mechanism is also arranged on the end of the negative electrode welding assembly, the cutting mechanism comprises an adjusting assembly, a fixing frame and a pneumatic scissors, a fixing frame is installed on the adjusting assembly, a pneumatic scissors is installed on the fixing frame, the blade of the pneumatic scissors is located on one side of the negative electrode welding head of the negative electrode welding assembly, and in a non-working state, the blade of the pneumatic scissors is opened to realize synchronous cutting of welding surplus material.

[0007] Moreover, the positive electrode welding assembly includes a mounting column and a cylinder. The mounting column is vertically mounted on the upper part of one side of the vertical box body and is parallel to the surface of the welding frame. A mounting groove is formed on the lower surface of the mounting column, and a positioning block is installed at the mounting groove. The cylinder is installed on the upper surface of the mounting column, and the telescopic rod of the cylinder extends through the positioning block and a movable seat is coaxially installed on its end. A positive electrode welding cylinder is vertically fixed on one side of the movable seat, and the end of the positive electrode welding cylinder is projected out of the welding frame and is located above the operating cabinet. A positive electrode welding head is vertically installed on the end of the positive electrode welding cylinder, and the welding end of the positive electrode welding head is vertically downward; the cylinder is driven to achieve the descent of the positive electrode welding head.

[0008] Moreover, the negative electrode welding assembly includes a horizontal rod, a fixing seat, a negative electrode welding cylinder and a negative electrode welding head. The horizontal rod is installed on the welding frame, and one end is connected to the vertical box body, and the other end has a fixing seat fixedly installed on the upper surface. The negative electrode welding cylinder is vertically installed on the fixing seat, and the negative electrode welding head is vertically installed at the end of the negative electrode welding cylinder. The welding end of the negative electrode welding head is vertically upward, corresponding to the positive electrode welding head.

[0009] Moreover, a drain plate is obliquely installed in the operating cabinet at the material drop opening of the workbench, and a resistor waste recovery box is also installed in the operating cabinet at the lower part of the drain plate.

[0010] Moreover, the adjustment assembly includes a first adjustment piece and a second adjustment piece, the first adjustment piece is clamped on the negative electrode welding cylinder of the negative electrode welding assembly by bolts, the second adjustment piece is adjusted and locked with the first adjustment piece by bolts, the middle part of the first adjustment piece is a hexagonal hole of the negative electrode welding cylinder, which is formed by bolting a left splicing block and a right splicing block, and a mounting portion is formed upward on one side of the left splicing block, and a vertical elliptical hole is formed on the surface of the mounting portion; the second adjustment piece includes an adjustment body, the adjustment body is a rectangular block, a protrusion is formed on one side of the rectangular block, and a circular mounting hole for a coaxial plug-in fixing frame is formed on the adjustment body with the protrusion, and a strip groove is also provided on the adjustment body at the circular mounting hole, and horizontal elliptical holes are formed at intervals on the other side of the rectangular block, and the horizontal elliptical holes are used to be connected and installed with the vertical elliptical holes of the first adjustment piece by bolts.

[0011] Moreover, the middle part of the fixing frame is a circular hole for installing pneumatic scissors, which is formed by bolting the upper splicing block and the lower splicing block. A mounting cylinder is formed in the middle part of the lower surface of the lower splicing block, and the mounting cylinder is used to be inserted into the circular mounting hole of the second adjusting member.

[0012] Moreover, the cutting mechanism also includes a guide plate, which is installed on one side of the pneumatic scissors. The upper and lower edges of the guide plate are respectively attached to the outer sides of the positive welding head and the negative welding head of the welding mechanism to form a closed area.

[0013] Moreover, a cooling fan is also arranged on the workbench, and the air outlet direction of the cooling fan is aimed at the negative electrode welding head.

[0014] Moreover, a panel is fixedly arranged on the top of the operating cabinet; and a welding and cutting protective cover is also installed on the operating cabinet at the position corresponding to the pneumatic scissors.

[0015] Moreover, a pushing mechanism is provided on one side of the enclosure, and the pushing mechanism includes a cylinder and a push plate. The cylinder is installed on the enclosure, and a push plate is fixedly installed on the end of the telescopic rod of the cylinder. The push plate is slidably installed with the workbench to drive the cylinder to enable the push plate to push the resistor waste on the workbench into the drop port.

[0016] The advantages and positive effects of the present invention are:

[0017] The present invention adds a cutting mechanism outside the welding mechanism, and the control device is connected in series with the welding mechanism. When the operator is welding the workpiece, the welding residue is synchronously cut, which greatly improves the efficiency of motor resistance welding. At the same time, due to the setting of the adjustment component, the position of the pneumatic scissors can be adjusted by the adjustment component in multiple axes, which is suitable for cutting motors of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a three-dimensional schematic diagram of the present invention;

[0020] Figure 3 It is a partial enlarged view of the present invention;

[0021] Figure 4 It is a partial exploded view of the present invention. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and through specific embodiments. The following embodiments are only illustrative and not restrictive, and the protection scope of the present invention cannot be limited thereto.

[0023] A resistance welding and wire cutting integrated machine for electric vehicle motor production, comprising a welding frame 1, a vertical box body 4 is installed in the middle of the welding frame, a welding mechanism is vertically installed on one side of the vertical box body, the welding mechanism includes a positive electrode welding assembly and a negative electrode welding assembly, a limiting steel belt 9 is arranged in the vertical box body, the limiting steel belt is elastic, and is a metal spring sheet, the positive electrode welding assembly and the negative electrode welding assembly are connected by the limiting steel belt, an operating cabinet 28 is also arranged on one side of the welding frame, a workbench 25 is arranged on the upper surface of the operating cabinet, and a surface of the workbench is provided on one side A blanking opening 21, the ends of the positive electrode welding assembly and the negative electrode welding assembly are both extended out of the welding frame and are located at the blanking opening, and the end of the negative electrode welding assembly is limitedly clamped with the blanking opening, and a cutting mechanism is also provided at the end of the negative electrode welding assembly, and the cutting mechanism includes an adjustment assembly, a fixing frame 16 and a pneumatic scissors 15, the adjustment assembly is equipped with a fixing frame, and the fixing frame is equipped with a pneumatic scissors, the blade of the pneumatic scissors is located on the negative electrode welding head side of the negative electrode welding assembly, and in a non-working state, the blade of the pneumatic scissors is opened to complete the synchronous cutting of welding residues;

[0024] The positive electrode welding assembly includes a mounting column 6, a positioning block 8, a cylinder 7, a telescopic rod 10, a movable seat 11, a positive electrode welding cylinder 12 and a positive electrode welding head 13. The mounting column is vertically mounted on the upper part of one side of the vertical box body and is parallel to the surface of the welding frame. A mounting groove is formed on the lower surface of the mounting column, and a positioning block is installed at the mounting groove. The cylinder is installed on the upper surface of the mounting column, and the telescopic rod of the cylinder extends through the positioning block and a movable seat is coaxially installed at its end. A positive electrode welding cylinder is vertically fixed on one side of the movable seat, and the end of the positive electrode welding cylinder is projected out of the welding frame and is located above the operating cabinet. A positive electrode welding head is vertically mounted on the end of the positive electrode welding cylinder, and the welding end of the positive electrode welding head is vertically downward; the cylinder is driven to realize the descent of the positive electrode welding head;

[0025] The negative electrode welding assembly includes a horizontal rod, a fixing seat, a negative electrode welding cylinder and a negative electrode welding head 19. The horizontal rod is installed on the welding frame, and one end of the horizontal rod is connected to the vertical box body, and the other end is fixedly installed on the upper surface of the fixing seat. The negative electrode welding cylinder is vertically and coaxially installed on the fixing seat. The end of the negative electrode welding cylinder extends out of the welding frame and is located above the operating cabinet; the negative electrode welding head is vertically installed at the end of the negative electrode welding cylinder, and the welding end of the negative electrode welding head is vertically upward, corresponding to the positive electrode welding head;

[0026] The two ends of the limit steel belt are respectively installed on one side of the movable seat of the positive electrode welding assembly and one side of the fixed seat of the negative electrode welding assembly. When the cylinder drives the positive electrode welding head to descend, the limit steel belt realizes a limit descending function, so as to better realize the contact welding between the positive electrode welding head and the negative electrode welding head.

[0027] A guide plate 26 is installed obliquely on the inner wall of the operating cabinet corresponding to the blanking opening of the workbench, and a resistor waste recovery box 27 is also installed in the operating cabinet at the lower part of the guide plate; when the resistor waste enters from the blanking opening, due to the setting of the guide plate, the resistor waste can better enter the resistor waste recovery box to complete the waste recovery;

[0028] The adjustment assembly includes a first adjustment member 18 and a second adjustment member 17. The first adjustment member is clamped on the negative electrode welding cylinder of the negative electrode welding assembly by a bolt 18-5. The second adjustment member is fastened to the first adjustment member by a screw 17-5 and a nut 18-2 for adjustment and installation. The middle part of the first adjustment member is a hexagonal hole 18-4 of the negative electrode welding cylinder, which is formed by bolt connection of a left splicing block 18-3 and a right splicing block 18-6. The hexagonal hole can better adjust and fix the negative electrode welding cylinder. A mounting portion is formed upward on one side of the left splicing block, and a vertical elliptical hole 18-4 is formed on the surface of the mounting portion. 1; The second adjusting member includes an adjusting body 17-2, which is a rectangular block, one side of which is provided with a protrusion, and a circular mounting hole 17-1 for coaxially inserting a fixing frame is formed on the adjusting body with the protrusion, and a strip groove is also provided on the adjusting body at the circular mounting hole, so that the adjusting body forms two movable clamping blocks at the circular mounting hole, and the movable clamping blocks movably clamp the fixing frame through bolts 17-3, and horizontal elliptical holes 17-4 are formed at intervals on the other side of the rectangular block, and the horizontal elliptical holes are used to be fastened with the vertical elliptical holes of the first adjusting member through screws and nuts;

[0029] The middle part of the fixing frame is a circular hole 16-1 for installing the pneumatic scissors, which is formed by connecting the upper splicing block 16-2 and the lower splicing block 16-4 with bolts 16-3. The middle part of the lower surface of the lower splicing block is provided with a mounting cylinder 16-5, which is used to be inserted into the circular mounting hole of the second adjusting member and fastened by bolts. The pneumatic scissors can be rotated in the fixing frame to adjust the blade angle, and the fixing frame is locked by bolts.

[0030] The present invention further provides a control device 2 on the welding machine frame, and the control device is connected in series with the welding machine and the pneumatic scissors, so that the operator can simultaneously cut the welding residual material while welding the workpiece. In order to enable the worker to better control the pneumatic scissors, a switch 30 is also provided at the bottom of the pneumatic scissors;

[0031] The cutting mechanism also includes a guide plate 14, which is installed on one side of the pneumatic scissors. The upper and lower edges of the guide plate are respectively attached to the outer sides of the positive welding head and the negative welding head of the welding mechanism to form a closed area. When the workpiece is rotated, it is ensured that the cable will not deviate from the scissor blade, and it is introduced into the jaws of the pneumatic scissors through the guide plate, so as to achieve the purpose of synchronous welding and cutting;

[0032] In the specific implementation of the present invention, in order to make welding and cutting safer, a cooling fan 3 is also provided on the workbench, and the air outlet direction of the cooling fan is aimed at the welding position;

[0033] In the specific implementation of the present invention, when the pneumatic scissors are cutting the resistor waste, the waste will often splash, causing a lot of resistor waste to splash and accumulate on the workbench and the ground. In order to allow the waste to better enter the resistor waste recovery box from the drop opening, an end enclosure 24 is fixedly provided on the top of the operating cabinet;

[0034] Furthermore, a welding and cutting protective cover 20 is installed on the operating cabinet corresponding to the position of the pneumatic scissors. The upper end of one side of the welding and cutting protective cover is connected to the upper surface of the pneumatic scissors by bolts, making welding and wire cutting safer.

[0035] Furthermore, a material pushing mechanism is also provided on one side of the enclosure corresponding to the blanking port position, and the material pushing mechanism includes a cylinder 22 and a push plate 23, the cylinder is installed on the enclosure, and a push plate is fixedly installed at the end of the telescopic rod of the cylinder, and the push plate is slidably arranged with the workbench to drive the cylinder so that the push plate pushes the resistor waste on the workbench into the blanking port;

[0036] In the specific implementation of the present invention, a winding rod 5 is also installed on the upper surface of the vertical box body, which is used to conveniently hang and straighten different ventilation hoses, cables, etc.; in order to make the operating cabinet more stable, suction cup support seats 29 are installed at the four corners of the bottom of the operating cabinet.

[0037] Working principle of the present invention:

[0038] The motor of the electric vehicle is disc-shaped, and a plurality of resistance cables are arranged on the disc. First, one cable is placed on the negative welding head of the welding structure, and the cylinder of the welding mechanism is started, so that the positive welding head descends and contacts the negative welding head to realize resistance welding. After the strand is welded, the cylinder of the welding mechanism drives the positive welding head to rise, and the worker rotates counterclockwise along the edge of the motor disc, and puts the welded cable along the guide plate into the pneumatic scissors blade of the cutting mechanism, and presses the cutting switch to cut the cable. At the same time, the other cable on the motor is placed on the negative welding head for the next operation. While the operator is welding the workpiece, the function of synchronous cutting of welding residue is completed.

[0039] The present invention adds a cutting mechanism outside the welding mechanism, and the control device is connected in series with the welding mechanism. When the operator is welding the workpiece, the welding residue is synchronously cut, which greatly improves the efficiency of motor resistance welding. At the same time, due to the setting of the adjustment component, the position of the pneumatic scissors can be adjusted by the adjustment component in multiple axes, which is suitable for cutting motors of different sizes.

[0040] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A resistance welding and wire cutting integrated machine for electric vehicle motor production, comprising a welding frame, characterized in that: A vertical box is installed on the welding frame, and a welding mechanism is vertically arranged on one side of the vertical box, the welding mechanism includes a positive electrode welding assembly and a negative electrode welding assembly, a limiting steel belt is arranged in the vertical box, the positive electrode welding assembly and the negative electrode welding assembly are connected by the limiting steel belt, an operation cabinet is arranged on one side of the welding frame, a workbench is arranged on the operation cabinet, a blanking opening is formed on one side of the surface of the workbench, the ends of the positive electrode welding assembly and the negative electrode welding assembly both extend out of the welding frame and are located directly above the blanking opening, a cutting mechanism is also arranged on the end of the negative electrode welding assembly, the cutting mechanism includes an adjusting assembly, a fixing frame and a pneumatic scissors, a fixing frame is installed on the adjusting assembly, a pneumatic scissors is installed on the fixing frame, the blade of the pneumatic scissors is located on one side of the negative electrode welding head of the negative electrode welding assembly, and in a non-working state, the blade of the pneumatic scissors is opened to realize synchronous cutting of welding waste; The adjusting component comprises a first adjusting member and a second adjusting member, the first adjusting member is clamped on the negative electrode welding cylinder of the negative electrode welding assembly by bolts, the second adjusting member is adjusted and locked with the first adjusting member by bolts, the middle part of the first adjusting member is a hexagonal hole of the negative electrode welding cylinder, which is formed by bolting a left splicing block and a right splicing block, one side of the left splicing block is upwardly provided with a mounting portion, and a vertical elliptical hole is formed on the surface of the mounting portion; the second adjusting member comprises an adjusting body, the adjusting body is a rectangular block, one side of the rectangular block is provided with a protrusion, and a circular mounting hole for coaxially plugging a fixing frame is formed on the adjusting body with the protrusion, and a strip groove is also provided on the adjusting body at the circular mounting hole, and horizontal elliptical holes are formed at intervals on the other side of the rectangular block, and the horizontal elliptical holes are used to be connected and installed with the vertical elliptical hole of the first adjusting member by bolts; The middle part of the fixing frame is a circular hole for installing the pneumatic scissors, which is formed by bolting the upper splicing block and the lower splicing block. The middle part of the lower surface of the lower splicing block is provided with a mounting cylinder, which is used to be inserted into the circular mounting hole of the second adjusting member; The cutting mechanism further comprises a guide plate, which is mounted on one side of the pneumatic scissors, and the upper and lower edges of the guide plate are respectively attached to the outer sides of the positive electrode welding head and the negative electrode welding head of the welding mechanism to form a closed area; A control device is also provided on the welding frame, and the control device is connected in series with the welding machine and the pneumatic scissors, so as to complete the function of synchronous cutting of welding residual material while the operator is welding the workpiece.

2. The resistance welding and wire cutting integrated machine for electric vehicle motor production according to claim 1, characterized in that: The positive electrode welding assembly includes a mounting column and a cylinder. The mounting column is vertically mounted on the upper part of one side of a vertical box body and is parallel to the surface of a welding frame. A mounting groove is formed on the lower surface of the mounting column, and a positioning block is installed at the mounting groove. The cylinder is installed on the upper surface of the mounting column, and a telescopic rod of the cylinder extends through the positioning block and a movable seat is coaxially installed at its end. A positive electrode welding cylinder is vertically fixed on one side of the movable seat, and the end of the positive electrode welding cylinder is projected out of the welding frame and is located above the operating cabinet. A positive electrode welding head is vertically mounted on the end of the positive electrode welding cylinder, and the welding end of the positive electrode welding head is vertically downward; the cylinder is driven to achieve the descent of the positive electrode welding head.

3. The resistance welding and wire cutting integrated machine for electric vehicle motor production according to claim 1, characterized in that: The negative electrode welding assembly includes a horizontal rod, a fixing seat, a negative electrode welding cylinder and a negative electrode welding head. The horizontal rod is installed on a welding frame, and one end of the horizontal rod is connected to a vertical box body, and a fixing seat is fixedly installed on the upper surface of the other end. A negative electrode welding cylinder is vertically installed on the fixing seat, and a negative electrode welding head is vertically installed at the end of the negative electrode welding cylinder. The welding end of the negative electrode welding head is vertically upward, corresponding to the positive electrode welding head.

4. The resistance welding and wire cutting integrated machine for electric vehicle motor production according to claim 1, characterized in that: A drain plate is obliquely installed in the operating cabinet at the material drop opening of the workbench, and a resistor waste recovery box is also installed in the operating cabinet at the lower part of the drain plate.

5. The resistance welding and wire cutting integrated machine for electric vehicle motor production according to claim 1, characterized in that: A cooling fan is also provided on the workbench, and the air outlet direction of the cooling fan is aimed at the negative electrode welding head.

6. The resistance welding and wire cutting integrated machine for electric vehicle motor production according to claim 1, characterized in that: A panel is fixedly arranged on the top of the operating cabinet; a welding and cutting protective cover is also installed on the operating cabinet at the position corresponding to the pneumatic scissors.

7. The resistance welding and wire cutting integrated machine for electric vehicle motor production according to claim 6, characterized in that: A pushing mechanism is also provided on one side of the enclosure, and the pushing mechanism includes a cylinder and a pushing plate. The cylinder is installed on the enclosure, and a pushing plate is fixedly installed on the end of the telescopic rod of the cylinder. The pushing plate is slidably installed with the workbench to drive the cylinder to enable the pushing plate to push the resistor waste on the workbench into the drop port.

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